113205566 has 8 divisors (see below), whose sum is σ = 171048240. Its totient is φ = 56189488.

The previous prime is 113205559. The next prime is 113205571. The reversal of 113205566 is 665502311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206306 + ... + 206853.

It is an arithmetic number, because the mean of its divisors is an integer number (21381030).

Almost surely, 2^113205566 is an apocalyptic number.

113205566 is a deficient number, since it is larger than the sum of its proper divisors (57842674).

113205566 is a wasteful number, since it uses less digits than its factorization.

113205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413298.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 113205566 is about 10639.8104306421. The cubic root of 113205566 is about 483.7517994089.

Adding to 113205566 its reverse (665502311), we get a palindrome (778707877).

The spelling of 113205566 in words is "one hundred thirteen million, two hundred five thousand, five hundred sixty-six".